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Finding the Fourth Proportional to 79,323.50, 118,990.11 and 23,919.50

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Solution

The fourth proportional to 79,323.50, 118,990.11 and 23,919.50 is: 35,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,323.50 : 118,990.11 = 23,919.50 : x
  2. Step 2: Convert to fraction form
    79,323.50/118,990.11 = 23,919.50/x
  3. Step 3: Cross multiply
    79,323.50x = 118,990.11 × 23,919.50
  4. Step 4: Simplify right side
    79,323.50x = 2,846,183,936.15
  5. Step 5: Solve for x
    x = 2,846,183,936.15/79,323.50
  6. Step 6: Final answer
    x = 35,880.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.